1) BOLOGNA ASTROPHYSICS PREPRINTS The M HB V vs. [Fe/H] Calibration: I. HST Color-Magnitude Diagrams of 8 Globular Clusters in M 31 F. Fusi Pecci et al. 28/1996 CCD photometry of the old open cluster Collinder 261 E. Gozzoli et al. 29/1996 UBVRI CCD photmetry of the old open cluster NGC 6253 A. Bragaglia et al. 31/1996 On the early evolution of aspherical WR bubbles F. Brighenti, A. D'Ercole 33/1996 The stellar population of the globular cluster M 3 II. CCD photometry of additional 10.000 stars F.R. Ferraro et al. 35/1996 2) OSSERVATORIO ASTROFISICO DI CATANIA Flare energetics: Anaysis of a large flare on YZ Cmi observede simultaneously in the ultraviolet, optical and radio G.H.J. van den Oord, ... M. Rodono' et al. 19/1996 Rotational Modulation and flares on RS CVn and BY Dra stars. XIX. J.E. Neff, I. Pagano et al. 20/1996 Searching for chromospheric Lyman-alfa emission i A-F stars from IUE high resolution spectra F. Marilli et al. 21/1996 H alfa emission in the chromospherically active binary sigma 2 Coronae Boralis (TZ CrB) A. Frasca, S. Catalano, D. Mantovani 22/1996 Small scale substructure, collapse time and dinamical friction M. Gambera, A. Pagliaro 23/1996 The importance of a correct abundance assumption in determining the effective temperature and gravity of stars A spectroscopic study of the helium weak stars HD 5737, HD 175362 and HD 202671 L. Leone, M. Manfre' 24/1996 Behavior of the HeI 587.6, 667.8, 706.5 and 728.1 nm Lines in B-Type stars. On the helium stratification in the atmosphere of magntic helium peculiar stars. L. Leone, A.C. Lanzafame 25/1996 3) MILANO PREPRINTS SERIES IN ASTROPHYSICS The hard X-ray transient 4U 0115+63 in quiescence S. Campana n. 171 Characteristic os the flight model optics for the JET-X telescope onboard on the SPECTRUM X-gamma satellite O. Citterio et al. n. 172 Isolated neutron stars, their gamma-ray efficiencies and EGRET observations P. Goldoni, C. Musso n. 173 ASCA observations of the galactic bulge hard X-ray Source GRS 1758-258 S. Mereghetti et al. n. 174 On the relationship between the periodic and aperiodic variability of accreting X-ray pulsars D. Lazzati, L.Stella n. 175 Colors, luminosity function and counts of galaxies P. Saracco, G. Chincarini, A. Iovino n. 176 Search for old neutron stars in molecular clouds: Cygnus rift and Cygnus OB7 T. Belloni, L. Zampieri , S. Campana n. 177 Photometry and proper motion of the Vela pulsar F.P. Nasuti e al. n. 178 HST discovers optical emission from the radio pulsar PSR 1055-52 R. Mignani, P.A. Caraveo, G.F. Bignami n. 179 Asymmetric H alfa disk emission dominates the HST/FOS spectrum of CIR X-1 R. Mignani, P.A. Caraveo, G.F. Bignami n. 180 4) SISSA ISAS Trieste Synthesis of stellar Mg and Fe absorption indices for stellar population studies. II. The extended and up-to-date collection. M. Chavez et al. 90/96 The observational distribution of internal velocity dispersions in nearby galaxy clusters. D. Fadda et al. 92/96 On supersymmetry at high temperature. B. Bajc, A. Melfo, G. Senjanovic 104/96 Textures and cosmic microwave background non-Gaussian signature A. Gangui 111/96 Mid-infrared imaging of AGB star envelopes. II. Modeling of observed sources. M. Marengo et al. 113/96 An adaptive hierarchical particle-mesh code with isolated boundary conditions. S. Gelato, D.F. Chernoff, I. Wasserman 120/96 Avoidance of collapse by circular current-carrying cosmic string loops B. Carter, P. Peter, A. Gangui 134/96 The chemical evolution of the galaxy: the two infall model. C. Chiappini, F. Matteucci, R. Gratton 137/96 5) ASTRONOMISCHE INSTITUTE DER UNIVERSITAT BONN - Molecular abundances in the Magellanic clouds. I. A multiline study of five cloud cores. Y. Chin et al.. 18/96 - Molecular abundances in the Magellanic clouds. II. Deuterated species in the LMC Y. Chin et al. 19/96 - Interstellar 36S: a probe of s-process nucleosynthesis. R. Mauersberger 20/96 - Globular cluster systems of early-type galaxies in Fornax M. Kissler-Patig et al. 21/96 - The dichotomy of early-type galaxies from their globular cluster systems. M. Kissler-Patig. 22/96 6) CENTER FOR EUV ASTROPHYSICS - Autonomous operation of the science payload on the extreme ultraviolet explorer R.F. Malina n. 677 - Discovery of a white dwarf companion (MS0354.6-3650 = EUVE J0356-366) to a GV2 star. D.J. Christian et al. n. 735 - An ephemeris for the pre-cataclysmic binary EUVE J0720-317 S. Vennes, J.R. Thorstensen n. 737 - EUVE photometric eclipse observations of AR Lacertae D.J. Christian et al. n. 740 - Observations of the local interstellar medium with the Extreme Ultraviolet Explorer. J. Vallerga n. 742 - The NASA EUVE satellite in transition: from staffed to autonomous science payload operations B. Stroozas et al. - EUVE telemetry processing and filtering for autonomous satellite instrument monitoring M. Eckert et al. - Document retrieval triggered by spacecraft anomaly: using the Kolodner case-based reasoning (CBR) paradigm to design a fault-induced response system F. Kronberg et al. - Development of an EUVE virtual environment (EVE) system for anomaly resolutions and science planning in operations L. Wong et al. - Overcoming the constraints on modeling telemetry in VR systems N. Sabbaghi n. 743-747 - The EUVE Bibliography as of July 1996 n. 750 - An all-sky catalogue of faint EUV sources M. Lampton et al. n. 756 7) ESA preprints - The low energy concentrator spectrometer on-board the SAX X-ray astronomy satellite A.N. Parmar et al. 54/96 - In-orbit performance of the SAX low energy concentrator system (LECS) D.D. Martin et al. 111/96 - The performance of transmission filters for EUV & soft x-ray astronomy M. Bavdaz et al. 112/96 - The effect of the Al thickness on the performance of Nb/Al/AlOx?Al/Nb superconducting tunnel junctions used as x-ray detectors A. Poelaert et al. 113/96 - Simulation of the XMM mirror performance based on metrology data P. Gondoin et al. - X-ray performance of a qualification model of an XMM mirror module P. Gondoin et al. - X-ray multi-mirror mission - an overview. D.H. Lumb et al. 116/96 - Superconducting tunnel junctions: performance and physics of alternative barrier structures F.A. Jansen 117/96 8) ESO SCIENTIFIC PREPRINT - An optimized detection technique for faint moving objects on a star-rich background. A search for the nucleus of comet 46/p Wirtanen. H. Boehnhaardt, J. Babion, R.M. West n. 1181 - ROSAT all-sky survey observations of Pop II field binaries: X-ray activity of old, metal poor stellar coronae. R. Ottmann, T.A. Fleming, L. Pasquini. n. 1182 - Hot HB stars in globular lcusters - physical parameters and consequences for theory. III. NGC 6752 and its long blue vertical branch S. Moehler, U. Heber, G. Rupprecht n. 1183 - New beryllium observations in low-metallicity stars P. Molaro et al. n. 1184 - The properties of the peculiar type Ia SN 1991bg. II. The amount of 56Ni and the total ejecta mass determined from spectrum synthesis and energetic considerations. P.A. Mazzali et al. . P.A. Mazzali et al. n. 1185 - Measurement of the 12C/13C ratio in the planetary nebulae. R.E.S. Clegg et al. n. 1186 - Radiation driven wind models for A, F and G supergiants. L . Achmad, H.J.G.L.M. Lamars, L. Pasquini. n. 1187 - Nebular gas abundances and mixing processes in the ringed galaxy NGC 4736. P. Martin, J. Belley n. 1188 - Ca depletion adn the presence of dust in large scale nebulosities in radio galaxies. M. Villar-Martin, L. Binette n. 1189 ESO TECHNICAL PREPRINTS - The VLT primary mirrors: mirror production and measured performance. P. Dierickx et al. n. 71 9) HARVARD-SMITHSONIAN CENTER FOR ASTROPHYSICS - Pulse profiles of millisecond pulsars. R. Jayawardhana, J.E. Grindlay n. 4334 - ROSAT PSPC observations of cool rich clusters L.P. David, C. Jones, W. Forman n. 4349 - Pulsation and line profile changes in the ultraviolet spectrum of Hercules X-1: results from a multiwavelength campaign. B. Boroson et al. n. 4373 - The unusual galaxy J2340-43: an active nucleus without an optical emission lines and without a substantial optical continuum. H. Tananbaum et al. n. 4386 - CGRO/OSSE observations of the x-ray burster 4U1915-05 (XB1916-053). D. Barret et al. n. 4395 - Luminosity differences between black holes and neutron stars D. Barret, J.E. McClintock, J.E. Grindlay n. 4396 - BATSE observations of hard x-ray emission from x-ray bursters. Presentation of a CGRO/BATSE investigation and first results. D. Barret et al. n. 4397 - BATSE observations of two x-ray bursters: 4U 1820-30 and 4U 1915-05. F. Bloser et al. n. 4398 - BATSE observations of the ultra-soft x-ray transient 4U 1630-47. P.F. Bloser et al. n. 4399 - New EGRET/COMPTEL studies of globular clusters. R.P. Manandhar, J.E. Grindlay, D.J. Thompson. n. 4400 - BATSE survey for faint transients and black hole candidates J.E. Grindlay et al. n. 4401 - ROSAT observations of the Sombrero galaxy: discovery of an x-ray active nucleus G. Fabbiano, J.Z. Juda n. 4407